body, html{
	line-height: 1;
	font-weight: 200;
	font-family: "微软雅黑",'PingFang SC', 'STHeitiSC-Light','Helvetica-Light',arial,sans-serif
}

.clearfix {
	display: inline-block;
	&:after{
		display: block;
		content: " ";
		height: 0;
		line-height: 0;
		clear: both;
		visibility: hidden;
	}
}

@media (-webkit-min-device-pixel-ratio: 1.5), (-moz-min-device-pixel-ratio: 1.5), (min-device-pixel-ratio: 1.5) {
	.border-1px {
		&::after {
			transform: scaleY(0.7);
		}
	}
};

@media (-webkit-min-device-pixel-ratio: 2), (-moz-min-device-pixel-ratio: 2), (min-device-pixel-ratio: 2) {
	.border-1px {
		&::after {
			transform: scaleY(0.5);
		}
	}
};
